Thanks for the compliment!
When I apply all products by hand, I use a front to back motion to limit any induced marring. I apply it with either a yellow foam applicator, or a microfiber applicator. To get the most of the PwC, I always do the entire car, let it sit for 10 minutes or so (usually enough time for a cold drink), then remove with a MF. Like the Natty's you want to be sure it hazes before removing.
Another trick to get some extra kick is to spit shine the Nattys. Apply the Nattys, let it dry, then spray the section to be removed with S&G. The Nattys will come off easier, it will be super slick and have a deeper shine.
Be sure to share some pics when you are done!